21. The company builds the SABRE rocket engine, a combined-cycle, air-breathing rocket propulsion system is based Culham. 22. That year, he became Technical Associate Director, with responsibility for the entire nuclear rocket propulsion program. 23. Vehicles can then climb the tether and escape the planet's gravity without the use of rocket propulsion . 24. Various OTRAG rockets could be built up from the company's CRPUs ( Common Rocket Propulsion Unit ). 25. After the war he became director of the Ministry of Supply's Rocket Propulsion Establishment at Westcott, Buckinghamshire. 26. Dynetics also partnered with rocket propulsion company Aerojet Rocketdyne to help design upgrades to NASA's Space Launch System. 27. A giant blade is mounted on its back, and can provide limited flight capabilities similar to rocket propulsion . 28. Additionally, inspired by the fiction of Jules Verne, Tsiolkovsky theorized many aspects of space travel and rocket propulsion . 29. For his graduate research at MIT, Chang D�az worked in the field of fusion technology and plasma-based rocket propulsion . 30. "There is a business out there, " in ammunition and rocket propulsion work, Merrill Lynch analyst Byron Callan said.
